‘According to the guy in this video, Indium is the only element in the universe that is both safe enough and soft enough to chew on like bubblegum.

He explains that it has a consistency similar to refrigerated milk duds, but its is tasteless. Indium is also soft enough to write with like a pencil.

A piece of chewing gum and writing utensil all in one- what more could one ask for in life?… ‘ ( Boing Boing)